Refrigerator



FIG. 1 is a perspective view of a refrigerator showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view thereof, shown in a first alternate position;

FIG. 9 is a perspective view thereof, shown in a second alternate position; and,

FIG. 10 is a perspective view thereof, shown in third alternate position.

The broken lines shown in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a refrigerator, as shown and described. 